Type of exposure* | Estimated risk of HIV transmission per 10 000 exposures |
---|---|
Blood transfusion | 9000 |
Intravenous drug use with shared needle | 67 |
Receptive anal intercourse | 50 |
Percutaneous needle stick | 30 |
Receptive penile–vaginal intercourse | 10 |
Insertive anal intercourse | 6.5 |
Insertive penile–vaginal intercourse | 5 |
Receptive oral intercourse† | 1 |
Insertive oral intercourse† | 0.5 |